Finding the Fourth Proportional to 3,963,292,208.40, 5,944,938,312.60 and 2,657,222,806.80
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Solution
The fourth proportional to 3,963,292,208.40, 5,944,938,312.60 and 2,657,222,806.80 is: 3,985,834,210.20
Step by Step Solution
- Step 1: Write the proportion equation
3,963,292,208.40 : 5,944,938,312.60 = 2,657,222,806.80 : x - Step 2: Convert to fraction form
3,963,292,208.40/5,944,938,312.60 = 2,657,222,806.80/x - Step 3: Cross multiply
3,963,292,208.40x = 5,944,938,312.60 × 2,657,222,806.80 - Step 4: Simplify right side
3,963,292,208.40x = 15,797,025,669,259,829,248 - Step 5: Solve for x
x = 15,797,025,669,259,829,248/3,963,292,208.40 - Step 6: Final answer
x = 3,985,834,210.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.